package org.duiduo.security;

import cn.hutool.json.JSONUtil;
import org.duiduo.common.response.Result;
import org.springframework.security.core.AuthenticationException;
import org.springframework.security.web.AuthenticationEntryPoint;
import org.springframework.stereotype.Component;

import javax.servlet.ServletException;
import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.nio.charset.StandardCharsets;

/**
 * 异常处理器-入口
 *
 * @author liangze
 * @date 2021/9/23 17:49
 */
@Component
public class JwtAuthenticationEntryPoint implements AuthenticationEntryPoint {

    @Override
    public void commence(HttpServletRequest request, HttpServletResponse response, AuthenticationException e) throws IOException, ServletException {

        response.setContentType("application/json;charset=UTF-8");
        response.setStatus(HttpServletResponse.SC_UNAUTHORIZED);
        ServletOutputStream outputStream = response.getOutputStream();

        Result result = Result.error("-1", "请先进行登录");
        outputStream.write(JSONUtil.toJsonStr(result).getBytes(StandardCharsets.UTF_8));

        outputStream.flush();
        outputStream.close();

    }
}
